{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "In conclusion , the present study demonstrated that TFs inhibit peptide transport across Caco - 2 cell monolayers , probably through suppression of AMPK - mediated PEPT1 expression , which should be considered a new bioactivity of TFs in black tea ."}
{"Chemical": ["TFs"]}